#include "chartdir.h"
int main(int argc, char *argv[])
{
// Data points which more unevenly spaced in time
double data0Y[] = {62, 69, 53, 58, 84, 76, 49, 61, 64, 77, 79};
double data0X[] = {Chart::chartTime(2007, 1, 1), Chart::chartTime(2007, 1, 2),
Chart::chartTime(2007, 1, 5), Chart::chartTime(2007, 1, 7), Chart::chartTime(
2007, 1, 10), Chart::chartTime(2007, 1, 14), Chart::chartTime(2007, 1, 17),
Chart::chartTime(2007, 1, 18), Chart::chartTime(2007, 1, 19),
Chart::chartTime(2007, 1, 20), Chart::chartTime(2007, 1, 21)};
// Data points which are evenly spaced in a certain time range
double data1Y[] = {36, 25, 28, 38, 20, 30, 27, 35, 65, 60, 40, 73, 62, 90, 75, 72
};
double data1Start = Chart::chartTime(2007, 1, 1);
double data1End = Chart::chartTime(2007, 1, 16);
// Data points which are evenly spaced in another time range, in which the
// spacing is different from the above series
double data2Y[] = {25, 15, 30, 23, 32, 55, 45};
double data2Start = Chart::chartTime(2007, 1, 9);
double data2End = Chart::chartTime(2007, 1, 21);
// Create a XYChart object of size 600 x 400 pixels. Use a vertical gradient
// color from light blue (99ccff) to white (ffffff) spanning the top 100 pixels
// as background. Set border to grey (888888). Use rounded corners. Enable soft
// drop shadow.
XYChart *c = new XYChart(600, 400);
c->setBackground(c->linearGradientColor(0, 0, 0, 100, 0x99ccff, 0xffffff),
0x888888);
c->setRoundedFrame();
c->setDropShadow();
// Add a title using 18 pts Times New Roman Bold Italic font. Set top margin to
// 16 pixels.
c->addTitle("Product Line Order Backlog", "timesbi.ttf", 18)->setMargin(0, 0, 16,
0);
// Set the plotarea at (60, 80) and of 510 x 275 pixels in size. Use transparent
// border and dark grey (444444) dotted grid lines
PlotArea *plotArea = c->setPlotArea(60, 80, 510, 275, -1, -1, Chart::Transparent,
c->dashLineColor(0x444444, 0x0101), -1);
// Add a legend box where the top-center is anchored to the horizontal center of
// the plot area at y = 45. Use horizontal layout and 10 points Arial Bold font,
// and transparent background and border.
LegendBox *legendBox = c->addLegend(plotArea->getLeftX() + plotArea->getWidth() /
2, 45, false, "arialbd.ttf", 10);
legendBox->setAlignment(Chart::TopCenter);
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Set x-axis tick density to 75 pixels and y-axis tick density to 30 pixels.
// ChartDirector auto-scaling will use this as the guidelines when putting ticks
// on the x-axis and y-axis.
c->yAxis()->setTickDensity(30);
c->xAxis()->setTickDensity(75);
// Set all axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
// Set the x-axis margins to 15 pixels, so that the horizontal grid lines can
// extend beyond the leftmost and rightmost vertical grid lines
c->xAxis()->setMargin(15, 15);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Backlog in USD millions", "arialbi.ttf", 10);
// Add the first data series
LineLayer *layer0 = c->addLineLayer();
layer0->addDataSet(DoubleArray(data0Y, (int)(sizeof(data0Y) / sizeof(data0Y[0]))
), 0xff0000, "Quantum Computer")->setDataSymbol(Chart::GlassSphere2Shape, 11)
;
layer0->setXData(DoubleArray(data0X, (int)(sizeof(data0X) / sizeof(data0X[0]))));
layer0->setLineWidth(3);
// Add the second data series
LineLayer *layer1 = c->addLineLayer();
layer1->addDataSet(DoubleArray(data1Y, (int)(sizeof(data1Y) / sizeof(data1Y[0]))
), 0x00ff00, "Atom Synthesizer")->setDataSymbol(Chart::GlassSphere2Shape, 11)
;
layer1->setXData(data1Start, data1End);
layer1->setLineWidth(3);
// Add the third data series
LineLayer *layer2 = c->addLineLayer();
layer2->addDataSet(DoubleArray(data2Y, (int)(sizeof(data2Y) / sizeof(data2Y[0]))
), 0xff6600, "Proton Cannon")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer2->setXData(data2Start, data2End);
layer2->setLineWidth(3);
// Output the chart
c->makeChart("unevenpoints.png");
//free up resources
delete c;
return 0;
} |